private void btnSaveSupplier_Click(object sender, EventArgs e)
{
if (Validator.IsPresent(txtModifySupplier))
{
string selectedSup = lstSupplierList.GetItemText(lstSupplierList.SelectedItem);
string editedSup = txtModifySupplier.Text;
if (selectedSup != editedSup)
{
DialogResult update =
MessageBox.Show("Change '" + selectedSup + "' to '" + editedSup + "'?"
, "Confirm Change", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
if (update == DialogResult.OK)
{
SupplierDB.UpdateSupplier(selectedSup, editedSup);
// Refresh table adapter to display updated list
this.frmModifyProductSupplier_Load(this, null);
lstSupplierList.GetItemText(lstSupplierList.SelectedItem);
// Select the item that was just updated
int index = lstSupplierList.FindString(editedSup, -1);
if (index != -1)
{
lstSupplierList.SetSelected(index, true);
}
}
}
}
}
// Save button for the suppliers tab
private void btnSaveSupplier_Click(object sender, EventArgs e)
{
string selectedSup = lstSupplierList.GetItemText(lstSupplierList.SelectedItem);
string editedSup = txtModifySupplier.Text;
// Validation to see if the typed item is already in the list
int index = lstSupplierList.FindString(editedSup, -1);
if (editedSup != "" && index != -1)
{
MessageBox.Show("Warning: Supplier already exists.", "Duplicate Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
// Test for saving or editing
if (lstSupplierList.Enabled == false && editedSup != "")
{
DialogResult result = MessageBox.Show("Save '" + editedSup + "' as a new supplier?", "Confirm Add",
MessageBoxButtons.OKCancel, MessageBoxIcon.Exclamation);
if (result == DialogResult.OK)
{
SupplierDB.AddSupplierName(editedSup);
this.frmModifyProductSupplier_Load(this, null);
// Select the item that was just saved
SelectItem(editedSup, lstSupplierList);
}
}
else if (lstSupplierList.Enabled == false && editedSup == "")
{
MessageBox.Show("Please enter a new supplier name.", "Entry Error",
MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
txtModifySupplier.Focus();
}
else if (lstSupplierList.Enabled == true && selectedSup != editedSup)
{
DialogResult update =
MessageBox.Show("Change '" + selectedSup + "' to '" + editedSup + "'?"
, "Confirm Change", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
if (update == DialogResult.OK)
{
SupplierDB.UpdateSupplier(selectedSup, editedSup);
// Refresh table adapter to display updated list
this.frmModifyProductSupplier_Load(this, null);
lstSupplierList.GetItemText(lstSupplierList.SelectedItem);
// Select the item that was just updated
SelectItem(editedSup, lstSupplierList);
}
}
else if (lstSupplierList.Enabled == true && selectedSup == "")
{
MessageBox.Show("Please select a supplier name to edit.", "Item Not Selected",
MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
txtModifySupplier.Focus();
}
}
}
private void btnEditSupplier_Click(object sender, EventArgs e)
{
//Get the supplier name value from the textbox.
string updatedSupName = txtboxEditSupName.Text;
updatedSupName = updatedSupName.Trim();
if (updatedSupName != "")//check if a value was provided
{
Supplier oldSupplier = suppliers[supplierDataGridView.CurrentCell.RowIndex];
if (updatedSupName != oldSupplier.SupplierName)
{
//Make a copy of the supplier we are updating
Supplier newSupplier = oldSupplier.GetCopy();
//Update the information in the new supplier;
newSupplier.SupplierName = updatedSupName;
try
{
bool result = SupplierDB.UpdateSupplier(oldSupplier, newSupplier);
if (result)
{
//Update the UI
suppliers = SupplierDB.GetAllSuppliers();
supplierDataGridView.DataSource = suppliers;
MessageBox.Show("The new supplier name has been saved", "Supplier Updated",
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("The changes were not saved", "Updated Failed",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
panelEditSupplier.Visible = false;
btnDelelteSupClick.Enabled = true;
btnAddSupClick.Enabled = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString(),
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
}
// call the proper function for insertion of the the supplier of the product and put to upper for the suppliers
private void btnUpdate_Click(object sender, EventArgs e)
{
if (SelectedProductName != null)
{
if (Validator.IsProvided(txtProdSup, "A Product Name"))
{
string newName = txtProdSup.Text;
bool valid = false;
foreach (Product p in products)
{
if (p.ProdName == newName)
{
MessageBox.Show("Product already exists, choose a unique product name");
valid = false;
break;
}
else
{
valid = true;
}
}
if (valid == true)
{
try
{
ProductDB.UpdateProduct(SelectedProductName, newName);
MessageBox.Show(SelectedProductName + " was updated to " + newName);
this.Close();
}
catch
{
MessageBox.Show("Update was unsuccessful, try again");
}
}
}
}
else if (Validator.IsProvided(txtProdSup, "A Supplier name"))
{
string newName = txtProdSup.Text.ToUpper();
bool valid = false;
foreach (Supplier s in suppliers)
{
if (s.SupName == newName)
{
MessageBox.Show("Supplier already exists, choose a unique supplier name");
valid = false;
break;
}
else
{
valid = true;
}
}
if (valid == true)
{
try
{
SupplierDB.UpdateSupplier(SelectedSupplierName, newName);
MessageBox.Show(SelectedSupplierName + " was updated to " + newName);
this.Close();
}
catch
{
MessageBox.Show("Update was unsuccessful, try again");
}
}
}
}
